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Lower Board Circuit
U604
19,20
21,22
LNA
1 R603
(3-wire enable)
(enable)
Service Engineering & Optimization
2006.08.16
Rev. 1.1
Level 3 Block Diagram
W220
Service Training and Documentation
Page 1 of 2
Lower Board Circuit
Upper Board
>!2)<
*2+),
-,*:14:3;,<
**+),
4,2 0
%%2<
1+9=2.!)
,26,
,02+
09,
**+),
1
3
2
./
00,1,2
10, 12, 14, 16
18, 20, 22, 24
11
17
21
19
23
2
3
1,4,8,26,29,30,31
9
6, 7
5, 13, 15, 25
27
28
D[0..7]
V_IO
13,15,17,19,21,23,25,27,29
1
8
6
8
Hall_Sensor
MAIN_CS_1
LCDC_RESET1
A18
VIO
VFLASH
,3
,3
*.72)+!
20
14
11
4
6
10
3
(* ,
4
*.72)+!
12
#
22
1
Mic Bias
2
72)+!
4
#,26,
$*.72)+!
#4230
'%(* )**+),
*.72)+!
& )
3
V_IO
MICIN
10
1
I2C_SDA
2
3
4
1
4
9
,26,
I2C_SCL
%,0!*2* ,)*),,40),
#
8
2+,0!*
2
3
F4
F3
C2
K1
D6
K8,K5
L4,B5,D4,
L3,J8,K7,E4
MICBIAS_2
!
"
H1
D5,F5
3
%
5
E4,F5,F6,E5,
E6,D6,D5,D4
$/0+**+),
G1,F1,D1,E1,B1,C1,F2,E2,F6,D7,E7,
B8,C8,D8,F7,E8,F8,D2,B2,B3,E6,B7
A6
B6
(to Speaker)
2
0 2)
-)
H5,H3,H2,J6,J2,J5,K2,K3,
K5,K1,L2,L1,L3,M2,K6,L5,
N1,M3,L6,N3,M5
$/0+**+),
F4
F3
1
4
,3
IRQ1
F1
E3
A4
H2,H3,G3,H4,J5,,G5,J6,H7,
G2,J3,G4,J4,H5,G6,H6,J7
E2
D1
B1
F2
,30 2)
E8,B7,A7,C7,A6,F8,E7,A6,
F7,C5,E6,C4,A3,E5,B3,D4
,38(* ,
Hall_Sensor
K13
1)),**+),
&
G1
E1,F2,B6,D7
0 2)
A7
B7
A6
G5
F4
3
( )**+),
'
&
4
D1,C1
5,3'
1
6
5
H12,H11,G10
J9,M12,K11,L12
0 2)
1
2
./
$
#
VIO
3
1
8
5
7
15
14
5
5
3
11
4
K2
J2
H2
$
1
2
,30 2)
6
&4*,
4,8
,3
,3
L6
M8
K8
G12
H10
G11
K12
1
3
9
4
C11
D12
D11
A12
A11
A10
E10
7
VIO
10
5
To GND
1
10
(to Flip Con.)
M5
M6
L4
F12
F13
L5
K4
A7
B10
H3
J3
F1
G1
H1
E3
E1
E2
F2
!,.2*./
!,.2*./
0 2)
%
4
%
7,8
5
3,4
1
(-
,3$
3
5,6
1,4
2
2
2
HOOK_ADC
&
L10
M10
2
1)!
1
./
U301
J12
MVBAT_ADC
$
3
1
4,5
J4
A2,B2
$
c
U303
BATTERY CONNECTOR
3
VCHG
1
3
2
2
Service Engineering & Optimization
2006.08.16
Rev. 1.1
Level 3 Block Diagram
W220
Service Training and Documentation
Page 2 of 2
3
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